Guyana has recorded 76 cases of chikungunya – CMO

Chief Medical Officer, Dr. Shamdeo Persaud says that Guyana has recorded a total of 76 cases of the mosquito-borne chikungunya disease from approximately 250 samples sent to the Caribbean Public Health Agency (CARPHA) in Trinidad and Tobago.

According to the Government Information Agency, the CMO said that based on reports coming from health facilities across the country, there are 580 suspected cases. However, there may be milder forms of the disease in some areas. Some of the samples sent to CARPHA are still to be tested, GINA said.

While chikungunya has been more pronounced in Regions Six and Five and to some extent Four, there have been three reported cases in Region 10, associated with travelling, not active transmission, GINA said.

Members of the Vector Control Service unit in Region Six (GINA photo)
Members of the Vector Control Service unit in Region Six (GINA photo)

The CMO told GINA that even though fogging and more general environmental controls are necessary, a lot more precautionary measures can be taken.

“We feel that a lot can be done at the household level…from the inspections carried out, we have noted that there are several common breeding grounds around the homes where even fogging would not impact effectively,” he said.

GINA said that vector control personnel in Georgetown have been going around in communities where chikungunya and dengue have been identified to conduct yard inspections and distributing ‘abate’. This larvicide is placed in water to prevent the growth of larvae and ultimately the multiplication of mosquitoes.

At present, GINA said that fogging is ongoing in parts of Regions Six, Five and Four. These exercises are still to commence in Regions Three and Ten as a result of a number of factors including the weather and availability of personnel.

Dr. Persaud explained that the same vector control unit that is in charge of the fogging exercise is also tasked with the management of malaria.

The Vector Control Service conducting a fogging exercise in Kitty, Georgetown. (GINA photo)
The Vector Control Service conducting a fogging exercise in Kitty, Georgetown. (GINA photo)

The CMO noted that while fogging has been deemed helpful, it comes with environmental and other health-risk consequences.

“Our programme usually recommends two cycles of fogging annually per populated areas like Georgetown and the East Bank. Too much of fogging could lead to additional risk due to chemical exposure…it is an intermittent intervention to help to reduce the mosquitoes, but more measures should be taken in the home,” the CMO said.

“Once you have contracted it, you have life-long protection against; it is one of those viral diseases that you develop immunity against,” the CMO said.

At present, there are no specific antibiotic or antiviral medicines that can be used to treat chikungunya. Its symptoms are treated.

A suspected chikungunya case is identified where a person has a temperature of over 38.5 degrees Celsius and is also experiencing severe arthritis (joint pains).



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